100542615551 has 16 divisors (see below), whose sum is σ = 123480919296. Its totient is φ = 79899405696.

The previous prime is 100542615529. The next prime is 100542615559. The reversal of 100542615551 is 155516245001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100542615551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100542615559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6297221 + ... + 6313166.

It is an arithmetic number, because the mean of its divisors is an integer number (7717557456).

Almost surely, 2^100542615551 is an apocalyptic number.

100542615551 is a deficient number, since it is larger than the sum of its proper divisors (22938303745).

100542615551 is a wasteful number, since it uses less digits than its factorization.

100542615551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12610478.

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 100542615551 in words is "one hundred billion, five hundred forty-two million, six hundred fifteen thousand, five hundred fifty-one".